Home / 86,094.64-129,121.41-36,175.69

Finding the Fourth Proportional to 86,094.64, 129,121.41 and 36,175.69

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Solution

The fourth proportional to 86,094.64, 129,121.41 and 36,175.69 is: 54,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094.64 : 129,121.41 = 36,175.69 : x
  2. Step 2: Convert to fraction form
    86,094.64/129,121.41 = 36,175.69/x
  3. Step 3: Cross multiply
    86,094.64x = 129,121.41 × 36,175.69
  4. Step 4: Simplify right side
    86,094.64x = 4,671,056,100.52
  5. Step 5: Solve for x
    x = 4,671,056,100.52/86,094.64
  6. Step 6: Final answer
    x = 54,254.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.